[Lazarus] Qt doesn't return proper DC Device Size

vfclists . vfclists at gmail.com
Sat May 16 16:12:14 CEST 2015


On 16 May 2015 at 13:27, zeljko <zeljko at holobit.net> wrote:

> On 05/16/2015 02:15 PM, Giuliano Colla wrote:
>
>>
>> While trying to obtain programmatically the snapshot of a window, I
>> stumbled into a Qt bug.
>>
>> It turned out that TQtDeviceContext.getDeviceSize always returns a size
>> of 10x10 for any widget I tried.
>> It returns the proper size only for the full screen (i.e. if DC=0).
>>
>> For sake of completeness, GTK2 returns the proper size.
>>
>> Can it be fixed?
>>
>
> And attach example project please.
>
> zeljko
>
>
>
I just checked your fix from the Caret.Y function for getting the current
line in a memo and it is working fine.

I will be learning Qt from following your patches. :)

-- 
Frank Church

=======================
http://devblog.brahmancreations.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.lazarus-ide.org/pipermail/lazarus/attachments/20150516/aa764cb1/attachment-0003.html>


More information about the Lazarus mailing list